I suggest you take some time to improve your English as the text on your gig page contains a lot of errors.
If you want to get sales on Fiverr, your work should be top-notch. Right now, it is not quite there.
how to improve
which changes are required?
Mostly grammar and capitalization errors. You have to figure out yourselves where they appear. That is your job as a writer and a freelancer.
I will improve myself.